Maintenance fees coming due

Bandwidth Inc.

9 maintenance fees come due in the 12 months from Nov 14, 2026, the next on Nov 26, 2026. Unpaid by May 26, 2027, that one lapses early.

A maintenance fee does not end a patent on its due date. It falls due at 3.5, 7.5 and 11.5 years from grant, and the patent lapses only if the fee is still unpaid at the end of the six month grace period that follows.

Patent	Title	Holder	Status	Fee due	Lapses if unpaid	Expires	Confidence
US 9,042,309	DYNAMIC 911 LOCATION REGISTRATION FOR MOBILE VoIP DEVICE Bandwidth.com, Inc. In force (reinstated) Fee due Nov 26, 2026 Lapses if unpaid May 26, 2027 Term ends Jul 22, 2034 · High confidence	Bandwidth.com, Inc.	In force (reinstated)	Nov 26, 2026	May 26, 2027	Term ends Jul 22, 2034	High confidence
US 10,367,947	Techniques for Migrating Legacy 911 Systems to NG-911 Systems Bandwidth.com, Inc. In force Fee due Jan 30, 2027 Lapses if unpaid Jul 30, 2027 Ends no later than Jun 6, 2037 · Low confidence	Bandwidth.com, Inc.	In force	Jan 30, 2027	Jul 30, 2027	Ends no later than Jun 6, 2037	Low confidence
US 11,736,903	Techniques for Registering An Internet Protocol (IP) Endpoint For Emergency Services Calling Bandwidth Inc. In force Fee due Feb 22, 2027 Lapses if unpaid Aug 23, 2027 Term ends Jan 14, 2042 · High confidence	Bandwidth Inc.	In force	Feb 22, 2027	Aug 23, 2027	Term ends Jan 14, 2042	High confidence
US 11,758,049	Techniques for Using Call Metadata as an Indicator for Calling Party Authenticity Bandwidth Inc. In force Fee due Mar 12, 2027 Lapses if unpaid Sep 13, 2027 Term ends Apr 12, 2043 · High confidence	Bandwidth Inc.	In force	Mar 12, 2027	Sep 13, 2027	Term ends Apr 12, 2043	High confidence
US 10,440,188	Techniques for Providing Location Data in Emergency Calls Bandwidth, Inc. In force Fee due Apr 8, 2027 Lapses if unpaid Oct 8, 2027 Term ends Sep 5, 2038 · High confidence	Bandwidth, Inc.	In force	Apr 8, 2027	Oct 8, 2027	Term ends Sep 5, 2038	High confidence
US 9,179,255	DYNAMIC 911 LOCATION REGISTRATION FOR MOBILE VoIP DEVICE Bandwidth.com, Inc. In force Fee due May 3, 2027 Lapses if unpaid Nov 3, 2027 Term ends Jul 22, 2034 · High confidence	Bandwidth.com, Inc.	In force	May 3, 2027	Nov 3, 2027	Term ends Jul 22, 2034	High confidence
US 11,849,064	Techniques for Detecting Calling Anomalies in Inbound Call Traffic in Telecommunications Networks Bandwidth Inc. In force Fee due Jun 19, 2027 Lapses if unpaid Dec 20, 2027 Term ends Sep 12, 2043 · High confidence	Bandwidth Inc.	In force	Jun 19, 2027	Dec 20, 2027	Term ends Sep 12, 2043	High confidence
US 9,264,535	Techniques for Telecommunications Contact Management on an End User Device Bandwidth.com, Inc. In force Fee due Aug 16, 2027 Lapses if unpaid Feb 16, 2028 Term ends Apr 29, 2035 · Medium confidence	Bandwidth.com, Inc.	In force	Aug 16, 2027	Feb 16, 2028	Term ends Apr 29, 2035	Medium confidence
US 11,941,970	Unified Management and Processing of Multi-Type Emergency Communications in Voice Over Internet Protocol (VOIP) Environments Bandwidth Inc. In force Fee due Sep 26, 2027 Lapses if unpaid Mar 27, 2028 Term ends Oct 31, 2043 · High confidence	Bandwidth Inc.	In force	Sep 26, 2027	Mar 27, 2028	Term ends Oct 31, 2043	High confidence

9 of 9 patents shown. Soonest fee due date first, then patent number.

Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.